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Quartz Psm Baryte

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MMM51178

Quartz Psm Baryte

Description Tabs

Description
Locality: 
Gravel Hill Mine, Perranzauloe, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5 × 5 cm
Largest Crystal: 
1.30cm
Description

Iron rich matrix with many hollow quartz casts after crystalline barite.Largest 13 mm

Collected underground in the 1980's

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
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